<macro>
#define MODEBUF_DEST_HACK4 0x8000 /* Send a HACK(4) notice, TS == 0 */
-Some servers are special. When a server that has a U-line issues a
-mode change, we send a "HACK(4)" message to differentiate it from an
-ordinary server changing a channel mode. This is the flag that must
-be passed to modebuf_init() to cause that behavior.
+Some servers are special. When a server that has a Uworld entry
+issues a mode change, we send a "HACK(4)" message to differentiate it
+from an ordinary server changing a channel mode. This is the flag
+that must be passed to modebuf_init() to cause that behavior.
</macro>
<function>